DIA: 20mm-150mm
JIS, GB, DIN, BS, ASTM, AISI
Construction Machinery, Metallurgical Machinery, Cement Plant, Mining Machine, Thermal Power Plant, Coal Yard
Steel
Grinding Ball
<1%
>12j/Cm^2
45#,40cr ,50mn,60mn,65mn,B2,B3
55-65HRC
M+C
>12000
JINCHI
Container Ton Bags or Steel Drums
Size: 20mm-150mm
China
73261100
Product Description
High-Performance Forged Grinding Steel Media Balls, offering exceptional wear resistance. These meticulously crafted steel mill balls are designed for enduring performance in the toughest conditions.
Shandong Jinchi Heavy Industry Joint Stock Co., Ltd - Pioneers in the manufacturing of premium grinding solutions.As a leading force in grinding technology, we specialize in producing top-notch grinding products. Our diverse range includes: GRINDING MEDIA FORGED - expertly crafted to deliver superior grinding efficiency. steel, BALLS, CASTING - precision-engineered for optimal performance. STEEL BALLS - durable and reliable for high-intensity applications.,GRINDING RODS - designed for longevity and consistent operation., GRINDING CYLPEBS - tailored solutions for enhanced grinding outcomes., Our products adhere to international standards, with a robust annual production capacity surpassing 100,000 tons, ensuring we meet global demands efficiently.
WHY CHOOSE US? Discover the unmatched advantages that set us apart:
High-quality raw materials sourced from esteemed large steel mills, ensuring the finest base for our products.
State-of-the-art automatic production lines, ensuring precision and consistency in every piece.
Rigorous quality management processes coupled with dedicated after-sales support, guaranteeing client satisfaction.
Over two decades of industry experience, highlighting our expertise and reliability.
Cutting-edge and precise lab equipment for meticulous quality assurance.
Certifiedunder ISO9001, ISO14001, ISO45001, and SGS, reinforcing our commitment to excellence.
Strategically located, we are just four hours from Qingdao port, ensuring swift logistics solutions.
Shandong Jinchi Heavy Industry Joint Stock Co., Ltd - Pioneers in the manufacturing of premium grinding solutions.As a leading force in grinding technology, we specialize in producing top-notch grinding products. Our diverse range includes: GRINDING MEDIA FORGED - expertly crafted to deliver superior grinding efficiency. steel, BALLS, CASTING - precision-engineered for optimal performance. STEEL BALLS - durable and reliable for high-intensity applications.,GRINDING RODS - designed for longevity and consistent operation., GRINDING CYLPEBS - tailored solutions for enhanced grinding outcomes., Our products adhere to international standards, with a robust annual production capacity surpassing 100,000 tons, ensuring we meet global demands efficiently.
WHY CHOOSE US? Discover the unmatched advantages that set us apart:
High-quality raw materials sourced from esteemed large steel mills, ensuring the finest base for our products.
State-of-the-art automatic production lines, ensuring precision and consistency in every piece.
Rigorous quality management processes coupled with dedicated after-sales support, guaranteeing client satisfaction.
Over two decades of industry experience, highlighting our expertise and reliability.
Cutting-edge and precise lab equipment for meticulous quality assurance.
Certifiedunder ISO9001, ISO14001, ISO45001, and SGS, reinforcing our commitment to excellence.
Strategically located, we are just four hours from Qingdao port, ensuring swift logistics solutions.

Chemical Composition of our superior wear-resistant forged Grinding Media Steel Mill Balls - designed for optimal durability and performance.
Materials | C% | Si% | Mn% | P% | S% | Cr% |
B2 | 0.70-0.85 | 0.17-0.37 | 0.70-1.00 | ≤0.035 | ≤0.035 | 0.4-0.6 |
B2-1 | 0.55-0.70 | 0.15-0.30 | 0.65-0.85 | ≤0.020 | ≤0.020 | 0.70-1.10 |
High Carbon B2 | 0.85-1.10 | 0.15-0.45 | 0.40-1.20 | ≤0.035 | ≤0.035 | 0.20-1.10 |
B3 | 0.58-0.66 | 1.70-1.90 | 0.68-0.80 | ≤0.030 | ≤0.030 | 0.78-0.90 |
45# | 0.42-0.50 | 0.17-0.37 | 0.5-0.8 | ≤0.035 | ≤0.035 | 0.25max |
B4 | 0.65-0.75 | 1.20-1.40 | 0.50-0.70 | ≤0.025 | ≤0.025 | 0.85-1.00 |
B6 | 0.75-0.90 | 0.17-0.37 | 0.8-1.02 | ≤0.035 | ≤0.035 | 0.88-0.98 |
B6-1 | 0.82-0.90 | 0.15-0.35 | 0.90-1.05 | ≤0.020 | ≤0.020 | 0.88-0.98 |
42CrMo | 0.38-0.45 | 0.20-0.40 | 0.50-0.80 | ≤0.035 | ≤0.035 | 0.90-1.20 |
40Cr | 0.37-0.45 | 0.20-0.40 | 0.50-0.80 | ≤0.035 | ≤0.035 | 0.80-1.10 |
65MN | 0.62-0.70 | 0.17-0.37 | 0.90-1.20 | ≤0.035 | ≤0.035 | ≤0.25 |
60MN | 0.57-0.65 | 0.17-0.37 | 0.70-1.00 | ≤0.035 | ≤0.035 | ≤0.25 |
50MN | 0.48-0.56 | 0.17-0.37 | 0.70-1.00 | ≤0.035 | ≤0.035 | ≤0.25 |
Specifications of our robust and wear-resistant forged Grinding Media Steel Mill Balls.
Diameter(mm) | Diameter Tolerance(mm) | Surface Hardness(HRC) | Impact Toughness(j/cm2) |
Φ20 | +2, -1 | >60HRC | ≥12 |
Φ25 | |||
Φ30 | |||
Φ40 | |||
Φ50 | |||
Φ60 | +3, -2 | ||
Φ70 | |||
Φ80 | |||
Φ90 | |||
Φ100 | +4, -2 | ||
Φ110 | |||
Φ120 | >58HRC | ||
Φ130 | |||
Φ140 | +4, -3 | >55HRC | |
Φ150 |
1. Material Quality: Sourcing from industry giants Laigang Group and JIYUAN, we ensure premium steel tailored for durability and effectiveness in grinding balls.
2. Product Range: Custom solutions tailored to your requirements; whether cast or forged, our comprehensive range caters to all needs.
3. Capacity: With a formidable production capacity of 100,000 MT, we guarantee uninterrupted delivery and supply continuity.
4. Production Facility: Our cutting-edge automatic production line ensures unparalleled consistency, quality, and reliability in every product.
5. Delivery: Thanks to our automated systems, we offer swift delivery post-order confirmation, with potential dispatch as fast as two weeks.
6. Quality Control: Equipped with an independent laboratory and advanced testing equipment, we uphold rigorous quality standards at every production stage.
Our Manufacturing Process: A meticulous journey from raw material to final product, ensuring precision at every step.



